Appendix A

Jumpering Information

This appendix contains jumpering information for the PCI backplane, the hierarchical switch power manager (HPM), and the standard I/O module.

A.1 PCI Backplane Jumpers

Table A–1 lists PCI backplane jumpers and their functions. These two jumpers are not normally installed.

Table A–1 PCI Backplane Jumpers

Jumper

J60

J62

Function

If flash ROM is corrupt, installing this jumper will force the PCI backplane manager (PBM) into fail-safe loader mode. The jumper station is three-pronged and the installed position is indicated by a silkscreen connection.

For future use.

Jumpering Information A-1

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Compaq GS160, GS80, GS320 Appendix a Jumpering Information, Table A-1 PCI Backplane Jumpers, Jumpering Information A-1